OpenTechnical

OT-2026-000014315

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000014315) never changes.

Identity and time

Publication numberOT-2026-000014315 · never reused
Internal UUID01a0ae6d-b27a-700d-ba66-7a988765115a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014315
StatusPUBLIC

Content hashes

Canonical text2551626f398dbd458ee176dfc1d78943d75c8b9cc1cdd759b070169c3f6d12a7
Markdownfe1b2658dc04070565d5083f7f31cd96f2fb2e1b7b4c505f8e0de624f3270a52
PDF
Publication pageffc60b03e68b878a7555326e10df40dbf806e4bfaa58ed1031596ffbf638e08b
Manifeste7a7b3b49099d03d836363618b52654c2924890520b7877d546ae304ebac064a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRXX8hebVEsNFQy1H76b2QzAmoQq3QLGdBtamLHPINss3UPITyHV5eLiO9LOn34Ik4YdkR5BsiUCKFRHC7CV1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:32.499166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014315
observed ffc60b03e68b878a7555326e10df40db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:32.478989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014315/manifest.json
observed e7a7b3b49099d03d836363618b52654c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:32.461413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014315/publication.md
observed fe1b2658dc04070565d5083f7f31cd96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:32.442856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014315/publication.txt
observed 2551626f398dbd458ee176dfc1d78943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.